Pith Number

pith:IPWB3L7I

pith:2018:IPWB3L7IKSXF4RESLPKIZANOW6

not attested not anchored not stored refs pending

U-Finger: Multi-Scale Dilated Convolutional Network for Fingerprint Image Denoising and Inpainting

Anxiao (Andrew) Jiang, Ding Liu, Ramakrishna Prabhu, Xiaojing Yu, Zhangyang Wang

arxiv:1807.10993 v2 · 2018-07-29 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPWB3L7IKSXF4RESLPKIZANOW6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:08:53.655973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ec1dafe854ae5e44925bd48c81aeb7b17e1cd1ac688eca608a6cdba5ca876c

Aliases

arxiv: 1807.10993 · arxiv_version: 1807.10993v2 · doi: 10.48550/arxiv.1807.10993 · pith_short_12: IPWB3L7IKSXF · pith_short_16: IPWB3L7IKSXF4RES · pith_short_8: IPWB3L7I

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IPWB3L7IKSXF4RESLPKIZANOW6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 43ec1dafe854ae5e44925bd48c81aeb7b17e1cd1ac688eca608a6cdba5ca876c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdee00fa12abae3f4f4c42faa0337782626030d3b8b0e2c4b563ae7c3da0ac3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-29T02:42:40Z",
    "title_canon_sha256": "4dc4c00b935f48e801a4926472386c49eec0244731c944aeab4cfeb214dd8c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10993",
    "kind": "arxiv",
    "version": 2
  }
}